9 letters
- probation16
- probatory17
- procreant16
- profanely19
- prolactin17
- propylaea18
- protonate13
- protonema16
- rampantly19
- rationale11
- rebalance17
- repayable18
- reputably19
- rotatable13
- stonecrop16
- syncopate18
- tabooleys15
- teachably20
- tolerably16
- tolerance14
- trabecula17
- traceable16
- tractable16
- tractably18
- trainable14
- unactable18